What is CVE-2021-41101?

CVE-2021-41101 is a medium-severity vulnerability in Wireapp Wire-server, classified under Cross-site Scripting. CVSS score: 5.7/10. Published 2021-09-30.

How severe is CVE-2021-41101?

Medium severity. CVSS v3 base score is 5.7 out of 10.

XSS in Wireapp Wire-server

CVE-2021-41101

wire-server is an open-source back end for Wire, a secure collaboration platform. Before version 2.106.0, the CORS ` Access-Control-Allow-Origin ` header set by `nginz` is set for all subdomains of `.wire.com` (including `wire.com`). This…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Wireapp Wire-server — versions < 2.106.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/wireapp/wire-server/security/advisories/GHSA-v7xx-cx8m-g66p (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-41101?: CVE-2021-41101 is a medium-severity vulnerability in Wireapp Wire-server, classified under Cross-site Scripting. CVSS score: 5.7/10. Published 2021-09-30.
How severe is CVE-2021-41101?: Medium severity. CVSS v3 base score is 5.7 out of 10.